Require autism‑trend robustness maps

Updated: 2009.10.04 16Y ago 1 sources
Before governments or school systems treat rising autism counts as evidence of a changing incidence and reallocate major resources, require a published robustness map that decomposes observed prevalence change into components (diagnostic substitution/accretion, registry/coverage changes, and residual incidence) using sibling controls, negative controls, E‑values and sensitivity bounds. — Demanding standardized, auditable decompositions would prevent policy overreactions, target services where true need increased, and reduce politicized misinterpretation of administrative counts.

Sources

Diagnostic change and the increased prevalence of autism - PubMed
2009.10.04 100% relevant
King & Bearman’s 2009 California analysis estimated ~26% of the observed prevalence rise was due to diagnostic change via a documented pathway (MR→autism), illustrating the value of quantifying diagnostic‑practice effects before acting.
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